The PDT machine combines the biological activity of cold beauty therapy and the unique beauty treatment SHOCK THERAPY as a whole. It has good effect on increasing the skin elasticity, repairing aging skin, diluting the spot, lifting the face, removing wrinkles and so on. As the most advanced technology, this beauty system using Korea original LED photobiology with the purity of 99% light acts on the target skin tissues to raise the activity of cell and improve the metabolism. No thermal effect, no injury and discomfort on the skin.